Depicting the battle between nectarine and Monilinia laxa: the fruit developmental stage dictates the effectiveness of the host defenses and the pathogen’s infection strategies
Visualitza/Obre
Autor/a
Silva, Christian J.
Vall-llaura, Núria
Serrano-Prieto, Sandra
Mesquida-Pesci, Saskia D.
de Cal, Antonieta
Blanco-Ulate, Barbara
Data de publicació
2020-10-01ISSN
2052-7276
Resum
Infections by the fungus Monilinia laxa, the main cause of brown rot in Europe, result in considerable losses of stone
fruit. Herein, we present a comprehensive transcriptomic approach to unravel strategies deployed by nectarine fruit
and M. laxa during their interaction. We used M. laxa-inoculated immature and mature fruit, which was resistant and
susceptible to brown rot, respectively, to perform a dual RNA-Seq analysis. In immature fruit, host responses, pathogen
biomass, and pathogen transcriptional activity peaked at 14–24 h post inoculation (hpi), at which point M. laxa
appeared to switch its transcriptional response to either quiescence or death. Mature fruit experienced an exponential
increase in host and pathogen activity beginning at 6 hpi. Functional analyses in both host and pathogen highlighted
differences in stage-dependent strategies. For example, in immature fruit, M. laxa unsuccessfully employed
carbohydrate-active enzymes (CAZymes) for penetration, which the fruit was able to combat with tightly regulated
hormone responses and an oxidative burst that challenged the pathogen’s survival at later time points. In contrast, in
mature fruit, M. laxa was more dependent on proteolytic effectors than CAZymes, and was able to invest in
filamentous growth early during the interaction. Hormone analyses of mature fruit infected with M. laxa indicated that,
while jasmonic acid activity was likely useful for defense, high ethylene activity may have promoted susceptibility
through the induction of ripening processes. Lastly, we identified M. laxa genes that were highly induced in both
quiescent and active infections and may serve as targets for control of brown rot.
Tipus de document
Article
Versió del document
Versió publicada
Llengua
English
Matèries (CDU)
631 - Agricultura. Agronomia. Maquinària agrícola. Sòls. Edafologia agrícola
Pàgines
15
Publicat per
Springer Nature
Publicat a
Horticulture Research
Citació
Balsells-Llauradó, Marta, Christian J. Silva, Josep Usall, Núria Vall-llaura, Sandra Serrano-Prieto, Neus Teixidó, Saskia D. Mesquida-Pesci, Antonieta de Cal, Barbara Blanco-Ulate, and Rosario Torres. 2020. "Depicting The Battle Between Nectarine And Monilinia Laxa: The Fruit Developmental Stage Dictates The Effectiveness Of The Host Defenses And The Pathogen’S Infection Strategies". Horticulture Research 7 (1). doi:10.1038/s41438-020-00387-w.
Número de l'acord de la subvenció
MINECO/Programa Estatal de I+D+I orientada a los retos de la sociedad/AGL2017-84389-C2-1-R/ES/Podredumbre parda causada por Monlinia SPP en fruta de hueso: interacción huesped-patógeno-ambiente/
INIA-FEDER/Programa Estatal de promoción del talento y su empleabilidad en I+D+I/CPD2016-0159/ES/Biotecnología y mejora genética de nuevas variedades vegetales/
Programa
Postcollita
Aquest element apareix en la col·lecció o col·leccions següent(s)
- ARTICLES CIENTÍFICS [2811]
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